Tony is a salesperson who earns 560$ per week plus $60 for each sale he makes. This week, he wants to earn at least $920. Write and solve an inequality that represents the number of sales Tony must make this week to earn at least 920$​

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.